# 64320400

## 64,320,400 is an even composite number composed of three prime numbers multiplied together.

What does the number 64320400 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 45 divisors.

64320400 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-five divisors.

## Prime factorization of 64320400:

### 24 × 52 × 4012

(2 × 2 × 2 × 2 × 5 × 5 × 401 × 401)

See below for interesting mathematical facts about the number 64320400 from the Numbermatics database.

### Names of 64320400

• Cardinal: 64320400 can be written as Sixty-four million, three hundred twenty thousand, four hundred.

### Scientific notation

• Scientific notation: 6.43204 × 107

### Factors of 64320400

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 408

### Divisors of 64320400

• Number of divisors d(n): 45
• Complete list of divisors:
• Sum of all divisors σ(n): 154916083
• Sum of proper divisors (its aliquot sum) s(n): 90595683
• 64320400 is an abundant number, because the sum of its proper divisors (90595683) is greater than itself. Its abundance is 26275283

### Bases of 64320400

• Binary: 111101010101110011100100002
• Base-36: 12ALXS

### Squares and roots of 64320400

• 64320400 squared (643204002) is 4137113856160000
• 64320400 cubed (643204003) is 266100818073753664000000
• 64320400 is a perfect square number. Its square root is 8020
• The cube root of 64320400 is 400.6663891969

### Scales and comparisons

How big is 64320400?
• 64,320,400 seconds is equal to 2 years, 2 weeks, 2 days, 10 hours, 46 minutes, 40 seconds.
• To count from 1 to 64,320,400 would take you about three years!

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 64320400 cubic inches would be around 33.4 feet tall.

### Recreational maths with 64320400

• 64320400 backwards is 00402346
• The number of decimal digits it has is: 8
• The sum of 64320400's digits is 19
• More coming soon!